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The TL431 and TL431A are 3-terminal adjustable shunt regulators with specified thermal stability over applicable automotive and commercial temperature ranges. The output voltage may be set to any value between VREF (approximately 2.5V) and 36V with two external resistors (see Figure 4). These devices have a typical output impedance of 0.2Ω. Active output cir.
NC NC NC
• Equivalent full-range temperature coefficient: 30ppm/°C
• 0.2Ω typical output impedance
• Sink current capability: 1mA to 100mA
• Low output noise
• Adjustable output voltage: VREF to 36V
Z, LP, U Package
CATHODE ANODE SOT54 REF
SL01167
Figure 1. Pin Configuration
ORDERING INFORMATION
DESCRIPTION 3-Pin Plastic TO92 3-Pin Plastic TO92
2
TEMPERATURE RANGE 0°C to +70°C 0°C to +70°C
–40°C to +85°C
–40°C to +85°C 0°C to +70°C 0°C to +70°C
–40°C to +85°C 0°C to +70°C
–40°C to +85°C 0°C to +70°C 0°C to +70°C
–40°C to +85°C 0°C to +70°C
–40°C to +85°C
INDUSTRY STANDARD PART NUMBER .
| No. | Partie # | Fabricant | Description | Fiche Technique |
|---|---|---|---|---|
| 1 | LM431A |
Fairchild Semiconductor |
Programmable Shunt Regulator |
|
| 2 | LM431A |
ON Semiconductor |
Programmable Shunt Regulator |
|
| 3 | LM431A |
TAITRON |
Adjustable Precision Shunt Regulator |
|
| 4 | LM431 |
National Semiconductor |
Adjustable Precision Zener Shunt Regulator |
|
| 5 | LM431 |
Fairchild Semiconductor |
Programmable Shunt Regulator |
|
| 6 | LM431 |
NXP |
Adjustable precision shunt regulators |
|
| 7 | LM431 |
Fairchild Semiconductor |
Programmable Shunt Regulator |
|
| 8 | LM431 |
Texas Instruments |
Adjustable Precision Zener Shunt Regulator |
|
| 9 | LM4310 |
National Semiconductor |
RGB Display Differential Interface Deserializer |
|
| 10 | LM4312 |
National Semiconductor |
RGB Display Differential Interface Serializer |
|
| 11 | LM4312 |
Texas Instruments |
RGB Display Differential Interface Serializer |
|
| 12 | LM431B |
Fairchild Semiconductor |
Programmable Shunt Regulator |
|